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【多选题】
关于证券市场的类型，下列说法正确的是（ ）。A.
在强势有效市场中，证券组合的管理者往往努力寻找价格偏离价值的证券
B.
在弱势有效市场中，要想取得超额回报，必须寻求历史价格信息以外的信息
C.
在半强势有效市场中，只有那些利用内幕信息者获得非正常的超额回报
D.
在强势有效市场中，任何人都不可能通过对公开或内幕信息的分析来获取超额收益
E.
在弱势有效市场，任何人都不可能采取任何方式获取超额收益
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【单选题】当金属离子 M 和 N 共存时,欲以 EDTA 滴定其中的 M 。若 c M =10 c N , E t,ep =0.1% ,Δ pM=0.2 。则要求Δ lg K 的大小是
A.
4
B.
5
C.
6
D.
7
【简答题】“I Love My Neighborhood” Poster Contest The “I Love My Neighborhood” Poster Contest was developed in l993．It aims to educate your students and their families about neighborhood pride and duty．Lessons ...
【简答题】简述 PID 的可控参数及作用。
【简答题】Python采用【】格式标记一组语句,缩进量相同的是同一组语句。
【单选题】What are the two good points of Xiaoli’s poster?
A.
The title is obvious.
B.
The masks are appropriate for the party.
C.
Her poster includes all the main elements.
D.
Her poster is perfect.
【单选题】当金属离子 M 和 N 共存时,欲以 EDTA 滴定其中的 M ,若 C M =10C N , E t =0. 3 % , ΔpM ′ =0.2 则要求 Δlg K D ≥ ( )。
A.
5
B.
6
C.
4
D.
7
【多选题】What are the two good points of Xiaoli’s poster?
A.
The title is obvious.
B.
The masks are appropriate for the party.
C.
Her poster includes all the main elements.
【单选题】What’s the poster session?
A.
If the attendees are interested in your poster, they will buy the poster.
B.
A session with many posters which aim to promote the conference.
C.
The authors of the paper make a poster in the specified area.
D.
The authors show their contributions using a poster without oral presentation or discussion with others.
【单选题】Which one is not the feature of a poster?
A.
A good poster is always big enough.
B.
A good poster focuses on a core message.
C.
A good poster contains graphs and images .
D.
An effective poster always keeps the sequence well-organized.
【简答题】当金属离子M和N共存时，欲以EDTA滴定其中同浓度的M，若c M =10c N ，终点误差E t =0.1%，△pM=0.2，则要求lgK' MY -lgK' NY =△lgK'的大小是多少?
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